How To Determine If Your Battery Or Alternator Is Bad. There are two simple tests for checking your alternator. 1 Open the hood of your car so that you have clear and unobstructed access to your battery.
To start and run a car engine you turn the ignition for the battery. If the voltage is significantly lower than that then there could be an issue with the alternator but there could also be an. A dead battery is a tell-tell sign of a bad alternator.
The alternator and battery work in concert to power your cars electrical systems.
If a cleanup solves the problem great but if it doesnt you may have a dead battery or a bad alternator. The three faults in the alternator that make your new battery go bad are. Can a Bad Alternator Kill a New Battery. To start and run a car engine you turn the ignition for the battery.
